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Finding the Third Proportional to 51,319 and 76,773

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Solution

The third proportional to 51,319 and 76,773 is: 114,852.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,319 : 76,773 = 76,773 : x
  2. Step 2: Convert to fraction form
    51,319/76,773 = 76,773/x
  3. Step 3: Cross multiply
    51,319x = 76,773 × 76,773
  4. Step 4: Simplify right side
    51,319x = 5,894,093,529
  5. Step 5: Solve for x
    x = 5,894,093,529/51,319
  6. Step 6: Final answer
    x = 114,852.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.